diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Popover/AbpPopoverTagHelperService.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Popover/AbpPopoverTagHelperService.cs
index 1d13437d8a..5ada0dfbc5 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Popover/AbpPopoverTagHelperService.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Popover/AbpPopoverTagHelperService.cs
@@ -2,7 +2,8 @@
 using Microsoft.AspNetCore.Mvc.ViewFeatures;
 using Microsoft.AspNetCore.Razor.TagHelpers;
 using System.Linq;
-
+using System.Web;
+
 namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Popover
 {
     public class AbpPopoverTagHelperService : AbpTagHelperService<AbpPopoverTagHelper>
@@ -65,7 +66,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Popover
 
             if (titleAttribute != null)
             {
-                span.Attributes.Add("title", titleAttribute.Value.ToString());
+                span.Attributes.Add("title", HttpUtility.HtmlDecode(titleAttribute.Value.ToString()));
             }
 
             output.PreElement.SetHtmlContent(span.RenderStartTag());